diff --git a/win32ss/gdi/ntgdi/palette.c b/win32ss/gdi/ntgdi/palette.c
index ec92c28721..c824c73bd1 100644
--- a/win32ss/gdi/ntgdi/palette.c
+++ b/win32ss/gdi/ntgdi/palette.c
@@ -774,7 +774,7 @@ IntGdiRealizePalette(HDC hDC)
 
     for (i=0; i<realize; i++)
     {
-        InterlockedExchange((LONG*)&ppalSurf->IndexedColors[i], *(LONG*)&ppalDC->IndexedColors[i]);
+        InterlockedExchange((LONG*)&ppalDC->IndexedColors[i], *(LONG*)&ppalSurf->IndexedColors[i]);
     }
 
 cleanup: